Finding the Fourth Proportional to 2,663,478.51, 3,995,334.41 and 770,411.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663,478.51 : 3,995,334.41 = 770,411.31 : x
2. Step 2: Convert to fraction form
   2,663,478.51/3,995,334.41 = 770,411.31/x
3. Step 3: Cross multiply
   2,663,478.51x = 3,995,334.41 × 770,411.31
4. Step 4: Simplify right side
   2,663,478.51x = 3,078,050,812,844.12
5. Step 5: Solve for x
   x = 3,078,050,812,844.12/2,663,478.51
6. Step 6: Final answer
   x = 1,155,650.70